/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponentsEditorOnly/Public/ToolTargets/VolumeComponentToolTarget.h
Doesn't actually do anything for a volume.
virtual bool CommitMaterialSetUpdate ( const [FComponentMaterialSet](API\Runtime\InteractiveToolsFramework\TargetInterfaces\FComponentMaterialSet) & MaterialSet, bool bApplyToAsset )